PIKApp/app/vectors/pikavectorsmodundo.c

146 lines
4.9 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "vectors-types.h"
#include "pikavectors.h"
#include "pikavectorsmodundo.h"
static void pika_vectors_mod_undo_constructed (GObject *object);
static gint64 pika_vectors_mod_undo_get_memsize (PikaObject *object,
gint64 *gui_size);
static void pika_vectors_mod_undo_pop (PikaUndo *undo,
PikaUndoMode undo_mode,
PikaUndoAccumulator *accum);
static void pika_vectors_mod_undo_free (PikaUndo *undo,
PikaUndoMode undo_mode);
G_DEFINE_TYPE (PikaVectorsModUndo, pika_vectors_mod_undo, PIKA_TYPE_ITEM_UNDO)
#define parent_class pika_vectors_mod_undo_parent_class
static void
pika_vectors_mod_undo_class_init (PikaVectorsModUndoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
PikaUndoClass *undo_class = PIKA_UNDO_CLASS (klass);
object_class->constructed = pika_vectors_mod_undo_constructed;
pika_object_class->get_memsize = pika_vectors_mod_undo_get_memsize;
undo_class->pop = pika_vectors_mod_undo_pop;
undo_class->free = pika_vectors_mod_undo_free;
}
static void
pika_vectors_mod_undo_init (PikaVectorsModUndo *undo)
{
}
static void
pika_vectors_mod_undo_constructed (GObject *object)
{
PikaVectorsModUndo *vectors_mod_undo = PIKA_VECTORS_MOD_UNDO (object);
PikaVectors *vectors;
G_OBJECT_CLASS (parent_class)->constructed (object);
pika_assert (PIKA_IS_VECTORS (PIKA_ITEM_UNDO (object)->item));
vectors = PIKA_VECTORS (PIKA_ITEM_UNDO (object)->item);
vectors_mod_undo->vectors =
PIKA_VECTORS (pika_item_duplicate (PIKA_ITEM (vectors),
G_TYPE_FROM_INSTANCE (vectors)));
}
static gint64
pika_vectors_mod_undo_get_memsize (PikaObject *object,
gint64 *gui_size)
{
PikaVectorsModUndo *vectors_mod_undo = PIKA_VECTORS_MOD_UNDO (object);
gint64 memsize = 0;
memsize += pika_object_get_memsize (PIKA_OBJECT (vectors_mod_undo->vectors),
gui_size);
return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
pika_vectors_mod_undo_pop (PikaUndo *undo,
PikaUndoMode undo_mode,
PikaUndoAccumulator *accum)
{
PikaVectorsModUndo *vectors_mod_undo = PIKA_VECTORS_MOD_UNDO (undo);
PikaVectors *vectors = PIKA_VECTORS (PIKA_ITEM_UNDO (undo)->item);
PikaVectors *temp;
gint offset_x;
gint offset_y;
PIKA_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
temp = vectors_mod_undo->vectors;
vectors_mod_undo->vectors =
PIKA_VECTORS (pika_item_duplicate (PIKA_ITEM (vectors),
G_TYPE_FROM_INSTANCE (vectors)));
pika_vectors_freeze (vectors);
pika_vectors_copy_strokes (temp, vectors);
pika_item_get_offset (PIKA_ITEM (temp), &offset_x, &offset_y);
pika_item_set_offset (PIKA_ITEM (vectors), offset_x, offset_y);
pika_item_set_size (PIKA_ITEM (vectors),
pika_item_get_width (PIKA_ITEM (temp)),
pika_item_get_height (PIKA_ITEM (temp)));
g_object_unref (temp);
pika_vectors_thaw (vectors);
}
static void
pika_vectors_mod_undo_free (PikaUndo *undo,
PikaUndoMode undo_mode)
{
PikaVectorsModUndo *vectors_mod_undo = PIKA_VECTORS_MOD_UNDO (undo);
g_clear_object (&vectors_mod_undo->vectors);
PIKA_UNDO_CLASS (parent_class)->free (undo, undo_mode);
}